Home / 478,373,057,546.40-717,467,753,314.80-142,998,924,016.80

Finding the Fourth Proportional to 478,373,057,546.40, 717,467,753,314.80 and 142,998,924,016.80

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Solution

The fourth proportional to 478,373,057,546.40, 717,467,753,314.80 and 142,998,924,016.80 is: 214,470,934,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,373,057,546.40 : 717,467,753,314.80 = 142,998,924,016.80 : x
  2. Step 2: Convert to fraction form
    478,373,057,546.40/717,467,753,314.80 = 142,998,924,016.80/x
  3. Step 3: Cross multiply
    478,373,057,546.40x = 717,467,753,314.80 × 142,998,924,016.80
  4. Step 4: Simplify right side
    478,373,057,546.40x = 102,597,116,740,767,288,655,872
  5. Step 5: Solve for x
    x = 102,597,116,740,767,288,655,872/478,373,057,546.40
  6. Step 6: Final answer
    x = 214,470,934,602.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.